#DayDayUpQ4.py
def dayUP(df):
    dayup =1
    for i in range(365):
        if i % 7 in [6,0]:
            dayup=dayup*(1-0.01)
        else:
            dayup=dayup*(1+df)
    return dayup
dayfator =0.01
while dayUP(dayfator)<37.78:
    dayfator +=0.001
print("工作日的努力参数是:{:.3f}".format(dayfator))
